hot sale food warmer usb lunch box home gadgets gift

1.food warmer usb lunch box home gadgets gift 2.carbon fiber as heating pad 3,keep food warm in winter no battery 4,safe

    

name	hot sale food warmer usb lunch box home gadgets gift
voltage	5v
power	3w
size	19*15*10cm
material	carbon fiber, Oxford cloth
temperature	40-45
usb line	1.5m
MOQ	1000pcs
packaging	color box

specialty

1.You can use it regardless of the office or the car.

2.  electric heating  lunch box will turn to warm if connect the computer’s USB port.

 

3.If there is a computer’s USB port, the battery and adapters are not needed.When connecting the USB port,it will keep warmer and the computer’s USB port as a battery.

 

4. Even if the commuter’s lunch box bag can also use it. In summer, it  will keep cool if use the refrigerant(the refrigerant is not affiliated!)

 

Using method

1.USB connector is inserted into the computer USB interface

2.After few minutes , it will turn to warm .

3. Please pull out the USB connector from USB port if not use it

Notice

*During the summer, it will be prone to injury, be careful to use when connect USB port.

*After used it ,please cut off switch and take out the USB connecter from the USB port.Pay attention to that do not use the empty lunch boxes.

*Please use the properties of neutral detergent solution containing soft cloth to wipe if the product is dirty

       

hot sale food warmer usb lunch box home gadgets gift